/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.gravitino.lock;

/**
 * Type of the lock for tree lock. READ lock is a shared lock, while WRITE lock is an exclusive
 * lock.
 *
 * <p>It's possible to acquire multiple READ locks at the same time, but only one WRITE lock can be
 * acquired at a time. Please see {@link java.util.concurrent.locks.ReadWriteLock} for more details.
 */
public enum LockType {
  READ,
  WRITE
}
